Hi. Just to answer a few questions that were asked. The "Street Race" systen is much lighter than the original system. Sorry, we don't have exact weights, but the the difference is considerable. Brentil is right, there is no welding etc. that needs to be done with any of the systems.They are very user friendly and require only basic tools to install. We tried to pay a lot of attention to detail so that the kits would easily interchange and be friendly to work with.